mirror of
https://github.com/OpenDiablo2/OpenDiablo2
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103 lines
3.3 KiB
Go
103 lines
3.3 KiB
Go
package d2components
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import (
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"github.com/OpenDiablo2/OpenDiablo2/d2common/d2fileformats/d2pl2"
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"github.com/gravestench/akara"
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)
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// static check that PaletteTransformComponent implements Component
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var _ akara.Component = &PaletteTransformComponent{}
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// static check that PaletteTransformMap implements ComponentMap
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var _ akara.ComponentMap = &PaletteTransformMap{}
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// PaletteTransformComponent is a component that contains an embedded PL2 struct
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type PaletteTransformComponent struct {
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Transform *d2pl2.PL2
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}
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// ID returns a unique identifier for the component type
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func (*PaletteTransformComponent) ID() akara.ComponentID {
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return AssetPaletteTransformCID
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}
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// NewMap returns a new component map for the component type
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func (*PaletteTransformComponent) NewMap() akara.ComponentMap {
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return NewPaletteTransformMap()
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}
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// PaletteTransform is a convenient reference to be used as a component identifier
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var PaletteTransform = (*PaletteTransformComponent)(
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nil) // nolint:gochecknoglobals // global by design
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// NewPaletteTransformMap creates a new map of entity ID's to PaletteTransform
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func NewPaletteTransformMap() *PaletteTransformMap {
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cm := &PaletteTransformMap{
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components: make(map[akara.EID]*PaletteTransformComponent),
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}
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return cm
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}
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// PaletteTransformMap is a map of entity ID's to PaletteTransform
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type PaletteTransformMap struct {
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world *akara.World
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components map[akara.EID]*PaletteTransformComponent
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}
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// Init initializes the component map with the given world
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func (cm *PaletteTransformMap) Init(world *akara.World) {
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cm.world = world
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}
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// ID returns a unique identifier for the component type
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func (*PaletteTransformMap) ID() akara.ComponentID {
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return AssetPaletteTransformCID
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}
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// NewMap returns a new component map for the component type
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func (*PaletteTransformMap) NewMap() akara.ComponentMap {
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return NewPaletteTransformMap()
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}
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// Add a new PaletteTransformComponent for the given entity id, return that component.
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// If the entity already has a component, just return that one.
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func (cm *PaletteTransformMap) Add(id akara.EID) akara.Component {
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if com, has := cm.components[id]; has {
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return com
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}
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cm.components[id] = &PaletteTransformComponent{}
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cm.world.UpdateEntity(id)
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return cm.components[id]
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}
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// AddPaletteTransform adds a new PaletteTransformComponent for the given entity id and returns it.
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// If the entity already has a file type component, just return that one.
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// this is a convenience method for the generic Add method, as it returns a
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// *PaletteTransformComponent instead of an akara.Component
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func (cm *PaletteTransformMap) AddPaletteTransform(id akara.EID) *PaletteTransformComponent {
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return cm.Add(id).(*PaletteTransformComponent)
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}
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// Get returns the component associated with the given entity id
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func (cm *PaletteTransformMap) Get(id akara.EID) (akara.Component, bool) {
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entry, found := cm.components[id]
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return entry, found
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}
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// GetPaletteTransform returns the PaletteTransformComponent associated with the given entity id
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func (cm *PaletteTransformMap) GetPaletteTransform(id akara.EID) (*PaletteTransformComponent,
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bool) {
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entry, found := cm.components[id]
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return entry, found
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}
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// Remove a component for the given entity id, return the component.
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func (cm *PaletteTransformMap) Remove(id akara.EID) {
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delete(cm.components, id)
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cm.world.UpdateEntity(id)
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}
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